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$314+ Cheap flights from Michigan to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — OPO
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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Find flight deals from Michigan to Porto

Cheapest flights from Michigan to Porto
Explore the most affordable flight options available from Michigan to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2025.

This oojo deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:10 pmORD - OPO
1 stop11h 55mTAP AIR PORTUGAL
Sun 12/145:00 amOPO - ORD
1 stop15h 45mTAP AIR PORTUGAL
Deal found 11/9$425
This lol.travel deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/288:15 pmORD - OPO
1 stop13h 40mTAP AIR PORTUGAL
Thu 12/118:00 pmOPO - ORD
1 stop25h 25mTAP AIR PORTUGAL
Deal found 11/8$426
This KAYAK deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:50 pmORD - OPO
1 stop19h 50mLufthansa
Fri 1/166:00 amOPO - ORD
1 stop13h 10mLufthansa
Deal found 11/9$477
This Travelocity deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:50 pmORD - OPO
1 stop34h 25mSWISS
Mon 12/157:20 pmOPO - ORD
1 stop27h 00mSWISS
Deal found 11/10$481
This KAYAK deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:50 pmORD - OPO
1 stop17h 40mSWISS
Mon 1/1912:05 pmOPO - ORD
1 stop34h 15mSWISS
Deal found 11/9$482
This KLM deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/251:25 pmORD - OPO
2 stops15h 05mKLM
Tue 12/24:10 pmOPO - ORD
1 stop28h 10mKLM
Deal found 11/9$487
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/303:20 pmORD - OPO
1 stop14h 20mUnited Airlines
Fri 1/166:00 amOPO - ORD
1 stop15h 20mUnited Airlines
Deal found 11/9$488
This KAYAK deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:50 pmORD - OPO
1 stop19h 50mLufthansa
Wed 1/141:45 pmOPO - ORD
1 stop34h 40mLufthansa
Deal found 11/9$490
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:35 pmORD - OPO
2 stops14h 55mDelta
Wed 1/146:00 amOPO - ORD
2 stops20h 47mDelta
Deal found 11/9$492
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:25 pmORD - OPO
1 stop24h 00mDelta
Tue 1/136:05 amOPO - ORD
2 stops21h 30mDelta
Deal found 11/9$493
This KLM deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:50 pmMDW - OPO
2 stops14h 40mKLM
Mon 12/1511:15 amOPO - MDW
2 stops18h 32mKLM
Deal found 11/10$616
This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/285:34 pmMDW - OPO
2 stops15h 51mDelta
Thu 12/1111:15 amOPO - MDW
2 stops18h 32mDelta
Deal found 11/10$622

Cheap flight deals from Michigan to Porto

Keep the following information in mind while searching for Michigan to Porto flight deals. Data was last updated November 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$425
(oojo)

One-way from

$314
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$675
Provider with most accurate pricing for Detroit (DTT)-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Porto flights.
Search Deals
From Michigan to Porto
Search Deals
One-way flight from Michigan to Porto
Search Deals
Highest demand for flights based on searches. 34% potential increase in price ($531 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Michigan to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 10, 2025.
Use the filters below to find and compare flights from Michigan to Porto that are best for you.

Fly from

Michigan

Fly to

Porto

Route

Depart

Return

Price

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 1/14

7:10 pm-6:00 pm

1 stop16h 50m

Porto

Sat 1/24

4:55 pm-2:45 pm

1 stop27h 50m

$469

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sun 3/1

12:35 pm-9:30 am

2 stops14h 55m

Porto

Tue 3/31

6:00 am-2:50 pm

1 stop14h 50m

$478

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 11/26

4:25 pm-7:20 pm

1 stop20h 55m

Porto

Tue 12/2

4:10 pm-2:20 pm

1 stop28h 10m

$482

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 11/25

1:25 pm-10:30 am

2 stops15h 05m

Porto

Tue 12/2

4:10 pm-2:20 pm

1 stop28h 10m

$487

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 12/30

3:20 pm-11:40 am

1 stop14h 20m

Porto

Fri 1/16

6:00 am-3:20 pm

1 stop15h 20m

$488

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 12/31

1:35 pm-10:30 am

2 stops14h 55m

Porto

Wed 1/14

6:00 am-8:47 pm

2 stops20h 47m

$492

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 2/4

1:28 pm-10:30 am

2 stops15h 02m

Porto

Wed 2/11

6:00 am-5:32 pm

2 stops17h 32m

$492

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 12/30

3:20 pm-11:40 am

1 stop14h 20m

Porto

Thu 1/15

6:00 am-6:15 pm

2 stops18h 15m

$498

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 12/31

9:41 am-10:30 am

2 stops18h 49m

Porto

Mon 1/19

11:25 am-3:10 pm

1 stop33h 45m

$500

Grand RapidsPorto

GRR - OPO

GRROPO

Grand Rapids Gerald R. Ford Intl

Thu 1/15

6:00 am-11:40 am

3 stops24h 40m

Porto

Thu 1/22

6:00 am-10:00 pm

2 stops21h 00m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 35 results
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Best time to book a flight from Michigan to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Michigan with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Michigan to Porto

What is the cheapest month to book a flight from Michigan to Porto?

Currently, September is the cheapest month in which you can book a flight from Michigan to Porto (average of $441). Flying from Michigan to Porto in June is currently the most expensive (average of $1,539). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MI to OPO?

Find hourly flight availability from Michigan to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 10, 2025.

It’s optimal to fly from Michigan to Porto in the evening. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Michigan to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Michigan?

    Porto (OPO) is the airport you will fly into if you book a flight from Michigan to Porto. It is only a 6.8 mi journey from Porto (OPO) to Porto’s city center.

  • How long is the flight from Michigan to Porto?

    A quick flight from Michigan to Porto can take about 14h 55m. TAP AIR PORTUGAL provides one of the quickest options available for as low as $478. Airlines will cover a distance of 3931 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Michigan to Porto?

    While some choose either Chicago Midway - Porto or Grand Rapids Gerald R. Ford Intl - Porto, Chicago O'Hare Intl - Porto is the most popular route from Michigan to Porto.

  • Can I find deals for flights from Michigan to Porto that include hotel bookings?

    Yes. In addition to deals on Michigan to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Michigan to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Michigan to Porto.

  • Can I find deals for business class flights from Michigan to Porto?

    Yes. Cheapflights offers flight deals from Michigan to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Michigan to Porto?

    Currently, September is the cheapest month in which you can book a flight from Michigan to Porto (average of $441). Flying from Michigan to Porto in June is currently the most expensive (average of $1,539). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra
Vila Nova de Gaia

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Alternative routes for Michigan to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Michigan to Porto

Discover the top 3 airlines that operate flights from Michigan to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$441Average$1,168FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$568Average$961FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$738Average$1,053FlexibilityNo cancel feeOn-time69%

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